package book;

public class BookList {
    private static final int DEFAULT_SIZE=10;
    private  Book[] books=new  Book[DEFAULT_SIZE];//一个书架可以放十本书
    public BookList(){//构造方法
        books[0]=new Book("三国演义","罗贯中",40,"小说");
        books[1]=new Book("西游记","吴承恩",60,"小说");
        books[2]=new Book("红楼梦","曹雪芹",45,"小说");
        books[3]=new Book("水浒传","施耐庵",50,"小说");
        this.usedSize=4;
    }

    public Book getBook(int pos){
        return this.books[pos];
    }
    public void setBooks(Book book){
        this.books[usedSize]=book;
    }
    public void setBooks(int pos,Book book){
        this.books[pos]=book;
    }
    private int usedSize;//记录下当前book数组中有几本书
    public int getUsedSize() {
        return usedSize;
    }
    public void setUsedSize(int usedSize) {
        this.usedSize = usedSize;
    }
}
